November 13, 2012 Subject:
A Lesson In Resonance
The winds weren't really all that fiercely high (by Pacific Coast standards) but the bridge began to undulate just at its resonant pitch and of course, as you can see it built on its own wobble frequency and boom...down she went.
A classic episode in modern engineering. I sometimes wonder if that could happen to almost any suspension bridge with wind gusts of the right period, from the right direction.
June 7, 2012 Subject:
Tacoma bridge wobbles, will fall down!
Another great "Filling in the blanks" piece of footage as we see the infamous "wobbling bridge" footage but we see how that bridge was built, the opening ceremony and the aftermath! The Tacoma bridge is built, with some amazing and exciting footage of men dangling from cages to put the beast together, after a (of course) pompous bridge opening ceremony, Disaster strikes, as the bridge starts weaving to and fro, it's still pretty incredible to see such footage today. Soon, all of this bending causes the whole thing to fall apart and then we see some start remnants of what could have been. Gret, this is a MUST SEE SEE on this site!